Process for reducing the hydrogen sulfide content in anaerobic d

Details Process for reducing the hydrogen sulfide content in anaerobic d Process for reducing the hydrogen sulfide content in anaerobic d

1984-09-28

1986-11-04

Castel, Benoit

Liquid purification or separation

Processes

Treatment by living organism

210613, 435167, 48197A, C02F 328, C12P 502

Patent

active

046209280

ABSTRACT:
A process for the anaerobic digestion of sludge or for the anaerobic decomposition of organically contaminated waste waters while obtaining fermentation gas containing methane as the main component, wherein a sufficient quantity of air or oxygen is added to the digestion process together with the crude sludge or the waste water whereby a residual oxygen content of 0.01 to 3.0% by volume, preferably 0.1 to 1.5% by volume is obtained in the formed sewage gas.

REFERENCES:
patent: 3705098 (1972-12-01), Alexander et al.
patent: 4022665 (1977-05-01), Ghosh et al.
patent: 4213857 (1980-07-01), Ishida et al.
Munchner Beitrage zur Abwasser-, Fischerei- und Flussbiologie, vol. 3, 1956.

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